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Finding the Fourth Proportional to 40,196.30, 60,300.39 and 13,893.98

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Solution

The fourth proportional to 40,196.30, 60,300.39 and 13,893.98 is: 20,843.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,196.30 : 60,300.39 = 13,893.98 : x
  2. Step 2: Convert to fraction form
    40,196.30/60,300.39 = 13,893.98/x
  3. Step 3: Cross multiply
    40,196.30x = 60,300.39 × 13,893.98
  4. Step 4: Simplify right side
    40,196.30x = 837,812,412.65
  5. Step 5: Solve for x
    x = 837,812,412.65/40,196.30
  6. Step 6: Final answer
    x = 20,843.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.